The Three Chimneys

A Silurian Rock formation of Vertical beds of Ferruginous Sandstone on Marloes Sands .
A 4th chimney was dislodged during gales in 1954 .The Strata of the Llandovery sediments - Skomer Volcanic Group - are almost vertical here (3.3).

The Three Chimneys

A Silurian Rock formation of Vertical beds of Ferruginous Sandstone on Marloes Sands .
A 4th chimney was dislodged during gales in 1954 .The Strata of the Llandovery sediments - Skomer Volcanic Group - are almost vertical here (3.3).

The Three Chimneys

A Silurian Rock formation of Vertical beds of Ferruginous Sandstone on Marloes Sands .
A 4th chimney was dislodged during gales in 1954 .The Strata of the Llandovery sediments - Skomer Volcanic Group - are almost vertical here (3.3).